/* ============================================
   AIVerse Theme - 活泼社区风
   Version 2.0 - Enhanced UI
   ============================================ */

/* ---------- Design Tokens ---------- */
:root {
    --av-primary: #FF6B6B;
    --av-primary-light: #FFA8A8;
    --av-primary-dark: #FA5252;
    --av-primary-50: #FFF5F5;
    --av-primary-100: #FFE3E3;

    --av-mint: #4ECDC4;
    --av-mint-50: #E6FCF5;
    --av-mint-100: #C3FAE8;

    --av-warm: #FFD43B;
    --av-warm-50: #FFFBEB;
    --av-warm-100: #FFF3BF;

    --av-lavender: #A78BFA;
    --av-lavender-50: #F3F0FF;
    --av-lavender-100: #E5DBFF;

    --av-bg: #F8FAFC;
    --av-bg-soft: #F1F5F9;
    --av-white: #FFFFFF;
    --av-text: #0F172A;
    --av-text-secondary: #334155;
    --av-text-light: #64748B;
    --av-text-muted: #94A3B8;
    --av-border: #E2E8F0;
    --av-border-soft: #F1F5F9;

    --av-shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
    --av-shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
    --av-shadow: 0 4px 20px rgba(0,0,0,0.06);
    --av-shadow-md: 0 8px 24px rgba(0,0,0,0.08);
    --av-shadow-lg: 0 12px 40px rgba(0,0,0,0.1);
    --av-shadow-primary: 0 4px 14px rgba(255,107,107,0.25);
    --av-shadow-primary-hover: 0 8px 20px rgba(255,107,107,0.35);

    --av-radius-xs: 6px;
    --av-radius-sm: 8px;
    --av-radius: 12px;
    --av-radius-lg: 16px;
    --av-radius-xl: 20px;
    --av-radius-2xl: 24px;
    --av-radius-pill: 999px;

    --av-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --av-transition-slow: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);

    --av-gradient-primary: linear-gradient(135deg, #FF6B6B 0%, #FF8787 100%);
    --av-gradient-lavender: linear-gradient(135deg, #A78BFA 0%, #C3B5FC 100%);
    --av-gradient-hero: linear-gradient(135deg, #FFF5F5 0%, #F3F0FF 50%, #E6FCF5 100%);
    --av-gradient-card: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.85) 100%);
}

/* ---------- Dark Mode ---------- */
body.av-dark {
    --av-bg: #0F172A;
    --av-bg-soft: #1E293B;
    --av-white: #1E293B;
    --av-text: #F1F5F9;
    --av-text-secondary: #CBD5E1;
    --av-text-light: #94A3B8;
    --av-text-muted: #64748B;
    --av-border: #334155;
    --av-border-soft: #1E293B;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: 'PingFang SC', 'Hiragino Sans GB', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Microsoft YaHei', sans-serif;
    background: var(--av-bg);
    color: var(--av-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-bottom: 70px;
    min-height: 100vh;
    transition: background 0.3s, color 0.3s;
}

@media (min-width: 1024px) {
    body { padding-bottom: 0; }
}

a { color: inherit; text-decoration: none; transition: var(--av-transition); }
img, picture, svg { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button, input, textarea, select { font: inherit; color: inherit; }
button { border: none; background: none; cursor: pointer; }

::selection { background: var(--av-primary-100); color: var(--av-primary-dark); }

/* Custom scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--av-border); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: var(--av-text-muted); }

.av-container { max-width: 1280px; margin: 0 auto; padding: 0 16px; }
.av-container-sm { max-width: 800px; margin: 0 auto; padding: 0 16px; }

/* ---------- Header ---------- */
.av-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255,255,255,0.8);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(226,232,240,0.5);
}

body.av-dark .av-header {
    background: rgba(15,23,42,0.8);
    border-bottom-color: rgba(51,65,85,0.5);
}

.av-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
    gap: 24px;
}

.av-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 18px;
    letter-spacing: -0.02em;
}

.av-logo img { max-height: 36px; }

.av-logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    background: var(--av-gradient-primary);
    color: #fff;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 800;
    box-shadow: var(--av-shadow-primary);
}

.av-nav { display: none; }

@media (min-width: 1024px) {
    .av-nav { display: block; flex: 1; justify-content: center; display: flex; }
}

.av-menu {
    display: flex;
    align-items: center;
    gap: 4px;
}

.av-menu-item > a {
    display: block;
    padding: 8px 18px;
    color: var(--av-text-light);
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--av-radius-pill);
    transition: var(--av-transition);
}

.av-menu-item > a:hover {
    color: var(--av-primary);
    background: var(--av-primary-50);
    transform: translateY(-1px);
}

.av-menu-item.av-active > a,
.av-menu-item.current-menu-item > a {
    color: var(--av-primary);
    background: var(--av-primary-50);
    font-weight: 600;
}

.av-header-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.av-icon-btn {
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--av-text-light);
    border-radius: 50%;
    transition: var(--av-transition);
    position: relative;
}

.av-icon-btn:hover {
    background: var(--av-bg-soft);
    color: var(--av-text);
    transform: scale(1.05);
}

.av-icon-btn svg { width: 20px; height: 20px; }

.av-icon-btn-dot {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 8px;
    height: 8px;
    background: var(--av-primary);
    border-radius: 50%;
    border: 2px solid var(--av-white);
}

.av-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--av-border);
    cursor: pointer;
    transition: var(--av-transition);
}

.av-avatar:hover { border-color: var(--av-primary); transform: scale(1.05); }

.av-user-menu { position: relative; }

.av-dropdown {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    min-width: 220px;
    background: var(--av-white);
    border-radius: var(--av-radius-lg);
    box-shadow: var(--av-shadow-lg);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px) scale(0.96);
    transition: var(--av-transition);
    border: 1px solid var(--av-border-soft);
}

.av-user-menu:hover .av-dropdown,
.av-user-menu:focus-within .av-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.av-dropdown a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    font-size: 14px;
    border-radius: var(--av-radius-sm);
    color: var(--av-text-secondary);
}

.av-dropdown a:hover { background: var(--av-bg-soft); color: var(--av-primary); }
.av-dropdown a svg { width: 16px; height: 16px; }
.av-dropdown hr { border: 0; border-top: 1px solid var(--av-border-soft); margin: 6px 0; }

/* ---------- Buttons ---------- */
.av-btn-primary, .av-btn-secondary, .av-btn-ghost, .av-btn-outline, .av-btn-danger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--av-radius);
    transition: var(--av-transition);
    cursor: pointer;
    text-align: center;
    white-space: nowrap;
    user-select: none;
}

.av-btn-primary {
    background: var(--av-gradient-primary);
    color: #fff;
    box-shadow: var(--av-shadow-primary);
}

.av-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--av-shadow-primary-hover);
}

.av-btn-primary:active { transform: translateY(0); }

.av-btn-secondary {
    background: var(--av-white);
    color: var(--av-text);
    border: 1px solid var(--av-border);
}

.av-btn-secondary:hover {
    border-color: var(--av-primary-light);
    color: var(--av-primary);
    background: var(--av-primary-50);
}

.av-btn-ghost {
    color: var(--av-text-light);
    background: transparent;
}

.av-btn-ghost:hover { background: var(--av-bg-soft); color: var(--av-text); }

.av-btn-outline {
    background: transparent;
    color: var(--av-primary);
    border: 1.5px solid var(--av-primary);
}

.av-btn-outline:hover { background: var(--av-primary); color: #fff; }

.av-btn-danger {
    background: #EF4444;
    color: #fff;
}

.av-btn-danger:hover { background: #DC2626; transform: translateY(-1px); }

.av-btn-block { width: 100%; }
.av-btn-sm { padding: 6px 14px; font-size: 13px; gap: 4px; }
.av-btn-lg { padding: 14px 28px; font-size: 16px; }
.av-btn-xl { padding: 16px 32px; font-size: 17px; font-weight: 600; }

.av-btn-primary:disabled, .av-btn-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ---------- Search Overlay ---------- */
.av-search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15,23,42,0.6);
    backdrop-filter: blur(8px);
    z-index: 100;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding-top: 80px;
    animation: av-fade-in 0.2s ease-out;
}

.av-search-overlay.av-show { display: flex; }

.av-search-form {
    display: flex;
    gap: 8px;
    width: 100%;
    max-width: 640px;
    padding: 0 16px;
    animation: av-slide-down 0.3s ease-out;
}

.av-search-form input {
    flex: 1;
    padding: 18px 24px;
    font-size: 16px;
    border: none;
    border-radius: var(--av-radius-pill);
    box-shadow: var(--av-shadow-lg);
    outline: none;
    background: var(--av-white);
    color: var(--av-text);
}

.av-search-form button {
    padding: 0 24px;
    background: var(--av-gradient-primary);
    color: #fff;
    border-radius: var(--av-radius-pill);
    font-weight: 600;
    box-shadow: var(--av-shadow-primary);
}

.av-search-form .av-search-close {
    background: rgba(255,255,255,0.2);
    color: #fff;
    width: 52px;
    padding: 0;
    font-size: 20px;
    backdrop-filter: blur(10px);
}

/* ---------- Hero ---------- */
.av-hero {
    padding: 80px 16px 80px;
    text-align: center;
    background: var(--av-gradient-hero);
    position: relative;
    overflow: hidden;
}

.av-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255,107,107,0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: av-float 8s ease-in-out infinite;
}

.av-hero::after {
    content: '';
    position: absolute;
    bottom: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(167,139,250,0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: av-float 10s ease-in-out infinite reverse;
}

@keyframes av-float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, 40px); }
}

.av-hero-inner { position: relative; z-index: 1; }

.av-hero h1 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.15;
    letter-spacing: -0.03em;
}

.av-hero h1 .av-gradient {
    background: var(--av-gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding: 0 4px;
}

.av-hero p {
    color: var(--av-text-light);
    font-size: 17px;
    max-width: 640px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.av-hero-search {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.av-hero-search input {
    width: 100%;
    padding: 18px 24px 18px 56px;
    font-size: 16px;
    border: none;
    border-radius: var(--av-radius-pill);
    box-shadow: var(--av-shadow-lg);
    outline: none;
    background: var(--av-white);
    color: var(--av-text);
    transition: var(--av-transition);
}

.av-hero-search input:focus {
    transform: translateY(-2px);
    box-shadow: 0 16px 50px rgba(255,107,107,0.15);
}

.av-hero-search .av-search-icon {
    position: absolute;
    left: 22px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--av-text-muted);
    width: 22px;
    height: 22px;
    pointer-events: none;
}

.av-hero-tags {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 24px;
}

.av-hero-tag {
    padding: 6px 14px;
    background: rgba(255,255,255,0.6);
    backdrop-filter: blur(10px);
    border-radius: var(--av-radius-pill);
    font-size: 13px;
    color: var(--av-text-light);
    transition: var(--av-transition);
    border: 1px solid rgba(226,232,240,0.6);
}

.av-hero-tag:hover {
    background: var(--av-primary);
    color: #fff;
    transform: translateY(-2px);
    border-color: transparent;
}

@media (min-width: 768px) {
    .av-hero { padding: 120px 16px; }
    .av-hero h1 { font-size: 54px; }
}

/* ---------- Sections ---------- */
.av-section { padding: 60px 0; }

.av-section-alt { background: var(--av-white); }

.av-section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 12px;
}

.av-section-title {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 10px;
}

.av-section-subtitle {
    color: var(--av-text-light);
    font-size: 14px;
    margin-top: 6px;
    font-weight: 400;
}

.av-section-link {
    font-size: 14px;
    color: var(--av-primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: var(--av-transition);
}

.av-section-link:hover { gap: 8px; }

/* ---------- Cards ---------- */
.av-card {
    background: var(--av-white);
    border-radius: var(--av-radius-lg);
    box-shadow: var(--av-shadow);
    overflow: hidden;
    transition: var(--av-transition);
    border: 1px solid var(--av-border-soft);
}

.av-card-hover:hover {
    transform: translateY(-4px);
    box-shadow: var(--av-shadow-md);
}

.av-card-glass {
    background: var(--av-gradient-card);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.3);
}

/* ---------- Tools Grid ---------- */
.av-tools-grid,
.aiverse-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 20px;
}

.av-tool-card {
    background: var(--av-white);
    border-radius: var(--av-radius-lg);
    box-shadow: var(--av-shadow);
    overflow: hidden;
    transition: var(--av-transition-slow);
    display: block;
    color: inherit;
    border: 1px solid var(--av-border-soft);
    position: relative;
}

.av-tool-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--av-shadow-lg);
    border-color: var(--av-primary-light);
}

.av-tool-thumb {
    aspect-ratio: 16 / 10;
    background: linear-gradient(135deg, var(--av-primary-50), var(--av-lavender-50));
    position: relative;
    overflow: hidden;
}

.av-tool-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.av-tool-card:hover .av-tool-thumb img { transform: scale(1.08); }

.av-tool-thumb-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    opacity: 0.5;
}

.av-tool-pricing {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 1;
    backdrop-filter: blur(8px);
}

.av-tool-featured-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: linear-gradient(135deg, #FFD43B, #F59F00);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: var(--av-radius-pill);
    box-shadow: 0 2px 8px rgba(245,159,0,0.3);
    letter-spacing: 0.5px;
}

.av-tool-body { padding: 18px; }

.av-tool-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 6px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    letter-spacing: -0.01em;
}

.av-tool-excerpt {
    font-size: 13px;
    color: var(--av-text-light);
    line-height: 1.6;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.6em;
}

.av-tool-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: var(--av-text-muted);
    padding-top: 12px;
    border-top: 1px solid var(--av-border-soft);
}

.av-tool-rating {
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 600;
    color: var(--av-warm);
}

.av-tool-rating-star {
    color: var(--av-warm);
    width: 14px;
    height: 14px;
}

/* ---------- Badges ---------- */
.av-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    font-size: 11px;
    font-weight: 600;
    border-radius: var(--av-radius-pill);
    white-space: nowrap;
    letter-spacing: 0.02em;
}

.av-badge-free { background: var(--av-mint-50); color: #0CA678; }
.av-badge-freemium { background: var(--av-warm-50); color: #E67700; }
.av-badge-paid { background: var(--av-lavender-50); color: #7048E8; }
.av-badge-enterprise { background: rgba(100,116,139,0.1); color: #475569; }
.av-badge-primary { background: var(--av-primary-50); color: var(--av-primary); }
.av-badge-vip { background: var(--av-gradient-primary); color: #fff; box-shadow: 0 2px 6px rgba(255,107,107,0.3); }
.av-badge-pro { background: var(--av-gradient-lavender); color: #fff; box-shadow: 0 2px 6px rgba(167,139,250,0.3); }
.av-badge-hot { background: linear-gradient(135deg, #FF6B6B, #FFD43B); color: #fff; }
.av-badge-new { background: #10B981; color: #fff; }

/* ---------- Notes Waterfall ---------- */
.av-notes-waterfall,
.aiverse-notes-waterfall {
    columns: 2;
    column-gap: 12px;
}

@media (min-width: 640px) { .av-notes-waterfall, .aiverse-notes-waterfall { columns: 3; column-gap: 16px; } }
@media (min-width: 1024px) { .av-notes-waterfall, .aiverse-notes-waterfall { columns: 4; } }
@media (min-width: 1440px) { .av-notes-waterfall, .aiverse-notes-waterfall { columns: 5; } }

.av-note-card {
    display: block;
    background: var(--av-white);
    border-radius: var(--av-radius-lg);
    overflow: hidden;
    box-shadow: var(--av-shadow-sm);
    break-inside: avoid;
    margin-bottom: 16px;
    transition: var(--av-transition);
    color: inherit;
    border: 1px solid var(--av-border-soft);
}

.av-note-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--av-shadow-md);
}

.av-note-cover {
    position: relative;
    overflow: hidden;
}

.av-note-cover img {
    width: 100%;
    transition: transform 0.6s ease;
}

.av-note-card:hover .av-note-cover img { transform: scale(1.05); }

.av-note-images-count {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0,0,0,0.55);
    color: #fff;
    font-size: 10px;
    padding: 3px 10px;
    border-radius: var(--av-radius-pill);
    backdrop-filter: blur(6px);
    font-weight: 500;
}

.av-note-body { padding: 12px 14px 14px; }

.av-note-title {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 10px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.av-note-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 10px;
}

.av-note-topic {
    font-size: 10px;
    color: var(--av-primary);
    background: var(--av-primary-50);
    padding: 2px 8px;
    border-radius: var(--av-radius-pill);
    font-weight: 500;
}

.av-note-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 11px;
    color: var(--av-text-muted);
}

.av-note-author {
    display: flex;
    align-items: center;
    gap: 6px;
    overflow: hidden;
    min-width: 0;
}

.av-note-author img {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    border: 1.5px solid var(--av-bg);
}

.av-note-author span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 500;
}

.av-note-likes {
    display: flex;
    align-items: center;
    gap: 3px;
    transition: var(--av-transition);
    flex-shrink: 0;
}

.av-note-card:hover .av-note-likes { color: var(--av-primary); }

.av-note-likes svg { width: 14px; height: 14px; }

/* ---------- Archive / Filter ---------- */
.av-archive-header {
    padding: 60px 0 30px;
    text-align: center;
    position: relative;
}

.av-archive-hero {
    background: var(--av-gradient-hero);
    padding: 60px 16px;
    margin-bottom: 32px;
    border-radius: 0 0 var(--av-radius-2xl) var(--av-radius-2xl);
    position: relative;
    overflow: hidden;
}

.av-archive-title {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 10px;
    letter-spacing: -0.02em;
}

.av-archive-desc {
    color: var(--av-text-light);
    font-size: 15px;
    max-width: 600px;
    margin: 0 auto;
}

.av-filters {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    overflow-x: auto;
    padding: 4px 0;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.av-filters::-webkit-scrollbar { display: none; }

.av-filter-btn {
    padding: 8px 18px;
    font-size: 13px;
    font-weight: 500;
    background: var(--av-white);
    color: var(--av-text-light);
    border-radius: var(--av-radius-pill);
    white-space: nowrap;
    transition: var(--av-transition);
    border: 1px solid var(--av-border-soft);
    box-shadow: var(--av-shadow-xs);
}

.av-filter-btn:hover {
    background: var(--av-primary-50);
    color: var(--av-primary);
    border-color: var(--av-primary-light);
}

.av-filter-btn.av-active {
    background: var(--av-gradient-primary);
    color: #fff;
    border-color: transparent;
    box-shadow: var(--av-shadow-primary);
}

.av-filter-section {
    background: var(--av-white);
    padding: 20px;
    border-radius: var(--av-radius-lg);
    margin-bottom: 24px;
    box-shadow: var(--av-shadow-sm);
}

.av-filter-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.av-filter-row:last-child { margin-bottom: 0; }

.av-filter-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--av-text-secondary);
    min-width: 60px;
}

.av-filter-row .av-filters { margin: 0; flex: 1; }

/* ---------- Single Post ---------- */
.av-single {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 16px;
}

.av-single-wide {
    max-width: 1000px;
}

.av-single-header { margin-bottom: 32px; }

.av-single-breadcrumb {
    display: flex;
    gap: 8px;
    font-size: 13px;
    color: var(--av-text-muted);
    margin-bottom: 16px;
    align-items: center;
}

.av-single-breadcrumb a:hover { color: var(--av-primary); }

.av-single-title {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.25;
    letter-spacing: -0.02em;
    color: var(--av-text);
}

@media (min-width: 768px) {
    .av-single-title { font-size: 40px; }
}

.av-single-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--av-text-light);
    font-size: 14px;
    flex-wrap: wrap;
}

.av-single-author {
    display: flex;
    align-items: center;
    gap: 10px;
}

.av-single-author img {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--av-border-soft);
}

.av-single-author-name {
    font-weight: 600;
    color: var(--av-text);
}

.av-single-author-sub {
    font-size: 12px;
    color: var(--av-text-muted);
    margin-top: 2px;
}

.av-single-thumb {
    width: 100%;
    border-radius: var(--av-radius-lg);
    margin-bottom: 32px;
    overflow: hidden;
    box-shadow: var(--av-shadow);
}

.av-single-thumb img { width: 100%; height: auto; }

.av-single-content {
    font-size: 17px;
    line-height: 1.85;
    color: var(--av-text-secondary);
    font-weight: 400;
}

.av-single-content > * + * { margin-top: 1em; }

.av-single-content p {
    margin-bottom: 1.2em;
}

.av-single-content h1,
.av-single-content h2,
.av-single-content h3,
.av-single-content h4 {
    margin-top: 2em;
    margin-bottom: 0.6em;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--av-text);
    line-height: 1.35;
}

.av-single-content h2 {
    font-size: 28px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--av-border-soft);
}

.av-single-content h3 { font-size: 22px; }
.av-single-content h4 { font-size: 18px; }

.av-single-content img {
    border-radius: var(--av-radius);
    margin: 24px 0;
    box-shadow: var(--av-shadow-sm);
}

.av-single-content a {
    color: var(--av-primary);
    text-decoration: none;
    border-bottom: 1px dashed var(--av-primary-light);
    transition: var(--av-transition);
}

.av-single-content a:hover {
    border-bottom-style: solid;
    color: var(--av-primary-dark);
}

.av-single-content blockquote {
    border-left: 4px solid var(--av-primary);
    padding: 16px 20px;
    background: var(--av-primary-50);
    border-radius: 0 var(--av-radius) var(--av-radius) 0;
    margin: 24px 0;
    color: var(--av-text-secondary);
    font-style: italic;
    font-size: 16px;
}

.av-single-content blockquote p:last-child { margin-bottom: 0; }

.av-single-content pre {
    background: #1E293B;
    color: #F1F5F9;
    padding: 20px 24px;
    border-radius: var(--av-radius);
    overflow-x: auto;
    margin: 24px 0;
    font-size: 14px;
    line-height: 1.6;
}

.av-single-content code {
    background: var(--av-bg-soft);
    color: var(--av-primary-dark);
    padding: 3px 8px;
    border-radius: var(--av-radius-xs);
    font-size: 0.9em;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
}

.av-single-content pre code {
    background: transparent;
    padding: 0;
    color: inherit;
}

.av-single-content ul, .av-single-content ol {
    margin: 20px 0;
    padding-left: 24px;
}

.av-single-content ul li, .av-single-content ol li {
    margin-bottom: 8px;
    list-style: disc;
}

.av-single-content ol li { list-style: decimal; }

.av-single-content hr {
    border: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--av-border), transparent);
    margin: 40px 0;
}

.av-single-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 14px;
    border-radius: var(--av-radius);
    overflow: hidden;
    box-shadow: var(--av-shadow-sm);
}

.av-single-content th {
    background: var(--av-bg-soft);
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
}

.av-single-content td {
    padding: 12px 16px;
    border-top: 1px solid var(--av-border-soft);
}

/* ---------- Post Tags ---------- */
.av-post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 24px 0;
    margin-top: 24px;
    border-top: 1px solid var(--av-border-soft);
}

.av-post-tag {
    padding: 6px 14px;
    background: var(--av-bg-soft);
    color: var(--av-text-secondary);
    font-size: 13px;
    border-radius: var(--av-radius-pill);
    transition: var(--av-transition);
    font-weight: 500;
}

.av-post-tag:hover {
    background: var(--av-primary);
    color: #fff;
    transform: translateY(-1px);
}

/* ---------- Interactions ---------- */
.av-interactions {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 20px 0;
    border-top: 1px solid var(--av-border-soft);
    border-bottom: 1px solid var(--av-border-soft);
    margin: 32px 0;
    flex-wrap: wrap;
}

.av-interact-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    color: var(--av-text-light);
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--av-radius-pill);
    transition: var(--av-transition);
    background: transparent;
}

.av-interact-btn:hover {
    color: var(--av-primary);
    background: var(--av-primary-50);
}

.av-interact-btn svg {
    width: 20px;
    height: 20px;
    transition: transform 0.2s;
}

.av-interact-btn:active svg { transform: scale(0.85); }

.av-interact-btn.av-active { color: var(--av-primary); background: var(--av-primary-50); }
.av-interact-btn.av-active svg { fill: currentColor; }

@keyframes av-heart-pop {
    0% { transform: scale(1); }
    50% { transform: scale(1.3); }
    100% { transform: scale(1); }
}

.av-interact-btn.av-animate svg {
    animation: av-heart-pop 0.4s ease-out;
}

/* ---------- Comments ---------- */
.av-comments { margin-top: 48px; }

.av-comments-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.av-comments-count {
    background: var(--av-primary-50);
    color: var(--av-primary);
    padding: 2px 10px;
    border-radius: var(--av-radius-pill);
    font-size: 14px;
    font-weight: 600;
}

.av-comment-form {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
    padding: 20px;
    background: var(--av-white);
    border-radius: var(--av-radius-lg);
    box-shadow: var(--av-shadow-sm);
    border: 1px solid var(--av-border-soft);
}

.av-comment-form img {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    flex-shrink: 0;
    object-fit: cover;
}

.av-comment-form-body { flex: 1; min-width: 0; }

.av-comment-form textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--av-border);
    border-radius: var(--av-radius);
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
    font-size: 14px;
    outline: none;
    transition: var(--av-transition);
    background: var(--av-bg);
}

.av-comment-form textarea:focus {
    border-color: var(--av-primary);
    background: var(--av-white);
    box-shadow: 0 0 0 3px var(--av-primary-50);
}

.av-comment-form-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
}

.av-comment-form-tip {
    font-size: 12px;
    color: var(--av-text-muted);
}

.av-comment-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.aiverse-comment,
.av-comment {
    display: flex;
    gap: 14px;
    padding: 18px;
    background: var(--av-white);
    border-radius: var(--av-radius-lg);
    transition: var(--av-transition);
    border: 1px solid var(--av-border-soft);
}

.av-comment:hover { box-shadow: var(--av-shadow-sm); }

.aiverse-comment-avatar,
.av-comment img.av-comment-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    flex-shrink: 0;
    object-fit: cover;
}

.aiverse-comment-body,
.av-comment-body { flex: 1; min-width: 0; }

.aiverse-comment-meta,
.av-comment-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    margin-bottom: 6px;
}

.aiverse-comment-meta strong,
.av-comment-meta strong {
    font-weight: 600;
    color: var(--av-text);
}

.aiverse-comment-meta span,
.av-comment-meta span {
    color: var(--av-text-muted);
    font-size: 12px;
}

.aiverse-comment-content,
.av-comment-content {
    font-size: 14px;
    line-height: 1.7;
    color: var(--av-text-secondary);
    word-break: break-word;
}

.av-comment-actions {
    margin-top: 8px;
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: var(--av-text-muted);
}

.av-comment-actions button { color: inherit; transition: var(--av-transition); }
.av-comment-actions button:hover { color: var(--av-primary); }

/* ---------- Forms ---------- */
.av-form-group { margin-bottom: 20px; }

.av-form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--av-text-secondary);
}

.av-form-label .av-required { color: var(--av-primary); }

.av-input, .av-textarea, .av-select {
    width: 100%;
    padding: 12px 16px;
    font-size: 14px;
    border: 1px solid var(--av-border);
    border-radius: var(--av-radius);
    background: var(--av-white);
    outline: none;
    transition: var(--av-transition);
    font-family: inherit;
    color: var(--av-text);
}

.av-input:focus, .av-textarea:focus, .av-select:focus {
    border-color: var(--av-primary);
    box-shadow: 0 0 0 3px var(--av-primary-50);
}

.av-input:hover, .av-textarea:hover, .av-select:hover {
    border-color: var(--av-primary-light);
}

.av-textarea { resize: vertical; min-height: 100px; }

.av-form-hint {
    font-size: 12px;
    color: var(--av-text-muted);
    margin-top: 6px;
}

.av-form-error {
    font-size: 12px;
    color: var(--av-primary);
    margin-top: 6px;
}

/* Radio / Checkbox cards */
.av-option-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 10px;
}

.av-option-card {
    position: relative;
    cursor: pointer;
}

.av-option-card input[type="radio"],
.av-option-card input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.av-option-card-inner {
    display: block;
    padding: 14px;
    background: var(--av-white);
    border: 2px solid var(--av-border);
    border-radius: var(--av-radius);
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    transition: var(--av-transition);
}

.av-option-card:hover .av-option-card-inner {
    border-color: var(--av-primary-light);
}

.av-option-card input:checked + .av-option-card-inner {
    border-color: var(--av-primary);
    background: var(--av-primary-50);
    color: var(--av-primary);
    transform: scale(1.02);
}

/* ---------- Pricing Cards ---------- */
.av-pricing-wrap { padding: 60px 0; }

.av-pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    max-width: 1100px;
    margin: 40px auto;
    padding: 0 16px;
}

.av-pricing-card {
    background: var(--av-white);
    border-radius: var(--av-radius-xl);
    padding: 40px 32px;
    border: 2px solid var(--av-border-soft);
    position: relative;
    transition: var(--av-transition-slow);
    box-shadow: var(--av-shadow-sm);
}

.av-pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--av-shadow-lg);
}

.av-pricing-card.av-featured {
    border-color: var(--av-primary);
    background: linear-gradient(180deg, #FFF5F5 0%, #FFFFFF 100%);
    transform: scale(1.03);
    box-shadow: var(--av-shadow-md);
}

.av-pricing-card.av-featured:hover {
    transform: scale(1.03) translateY(-8px);
}

.av-pricing-featured-label {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--av-gradient-primary);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 6px 16px;
    border-radius: var(--av-radius-pill);
    box-shadow: var(--av-shadow-primary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.av-pricing-icon {
    font-size: 36px;
    margin-bottom: 12px;
}

.av-pricing-title {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 6px;
    letter-spacing: -0.02em;
}

.av-pricing-subtitle {
    color: var(--av-text-light);
    font-size: 14px;
    margin-bottom: 24px;
}

.av-pricing-price {
    font-size: 48px;
    font-weight: 800;
    color: var(--av-primary);
    line-height: 1;
    letter-spacing: -0.03em;
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.av-pricing-price-unit {
    font-size: 14px;
    color: var(--av-text-muted);
    font-weight: 500;
}

.av-pricing-features {
    margin: 28px 0;
}

.av-pricing-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 14px;
    color: var(--av-text-secondary);
}

.av-pricing-features li::before {
    content: '';
    width: 18px;
    height: 18px;
    background: var(--av-mint-50);
    color: var(--av-mint);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%234ECDC4' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
}

/* ---------- Pagination ---------- */
.av-pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin: 40px 0;
    flex-wrap: wrap;
}

.av-pagination a, .av-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 14px;
    background: var(--av-white);
    color: var(--av-text-light);
    border-radius: var(--av-radius);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: var(--av-transition);
    border: 1px solid var(--av-border-soft);
}

.av-pagination a:hover {
    background: var(--av-primary-50);
    color: var(--av-primary);
    border-color: var(--av-primary-light);
    transform: translateY(-1px);
}

.av-pagination .current {
    background: var(--av-gradient-primary);
    color: #fff;
    border-color: transparent;
    box-shadow: var(--av-shadow-primary);
}

/* ---------- Layout ---------- */
.av-layout {
    display: grid;
    gap: 32px;
    padding: 32px 0;
}

@media (min-width: 1024px) {
    .av-layout { grid-template-columns: 1fr 320px; }
}

.av-sidebar { display: flex; flex-direction: column; gap: 20px; }

.av-widget {
    background: var(--av-white);
    border-radius: var(--av-radius-lg);
    padding: 20px;
    box-shadow: var(--av-shadow-sm);
    border: 1px solid var(--av-border-soft);
}

.av-widget-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--av-border-soft);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ---------- Footer ---------- */
.av-footer {
    background: var(--av-white);
    padding: 60px 0 24px;
    margin-top: 60px;
    border-top: 1px solid var(--av-border);
    display: none;
}

@media (min-width: 1024px) {
    .av-footer { display: block; }
}

.av-footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.av-footer-brand p {
    color: var(--av-text-light);
    font-size: 14px;
    line-height: 1.7;
    margin: 16px 0 20px;
    max-width: 320px;
}

.av-social-links {
    display: flex;
    gap: 10px;
}

.av-social-links a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--av-bg-soft);
    color: var(--av-text-light);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    transition: var(--av-transition);
}

.av-social-links a:hover {
    background: var(--av-gradient-primary);
    color: #fff;
    transform: translateY(-2px) rotate(6deg);
    box-shadow: var(--av-shadow-primary);
}

.av-footer-col h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--av-text);
}

.av-footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.av-footer-col a {
    font-size: 13px;
    color: var(--av-text-light);
    transition: var(--av-transition);
}

.av-footer-col a:hover { color: var(--av-primary); }

.av-footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--av-border-soft);
    text-align: center;
    color: var(--av-text-muted);
    font-size: 13px;
}

/* ---------- Mobile Nav ---------- */
.av-mobile-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--av-border-soft);
    display: flex;
    align-items: center;
    justify-content: space-around;
    padding: 8px 0;
    z-index: 40;
    padding-bottom: calc(8px + env(safe-area-inset-bottom));
}

.av-mobile-nav a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding: 6px 12px;
    color: var(--av-text-muted);
    font-size: 10px;
    font-weight: 500;
    transition: var(--av-transition);
    position: relative;
    min-width: 56px;
}

.av-mobile-nav a.av-active {
    color: var(--av-primary);
}

.av-mobile-nav a.av-active::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 3px;
    background: var(--av-primary);
    border-radius: 0 0 3px 3px;
}

.av-mobile-nav svg {
    width: 22px;
    height: 22px;
}

@media (min-width: 1024px) {
    .av-mobile-nav { display: none; }
}

/* ---------- Profile / User ---------- */
.av-profile-cover {
    height: 200px;
    background: linear-gradient(135deg, var(--av-primary-light), var(--av-lavender));
    margin: -32px -16px 0;
    position: relative;
    overflow: hidden;
}

.av-profile-cover::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.4;
}

.av-profile-header {
    background: var(--av-white);
    border-radius: var(--av-radius-xl);
    padding: 32px;
    box-shadow: var(--av-shadow);
    display: flex;
    gap: 28px;
    align-items: center;
    flex-wrap: wrap;
    margin: -80px 0 24px;
    position: relative;
    border: 1px solid var(--av-border-soft);
}

.av-profile-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--av-white);
    box-shadow: var(--av-shadow);
    flex-shrink: 0;
}

.av-profile-info { flex: 1; min-width: 240px; }

.av-profile-name {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 12px;
    letter-spacing: -0.02em;
}

.av-profile-username {
    color: var(--av-text-muted);
    font-size: 14px;
    margin-bottom: 12px;
}

.av-profile-bio {
    color: var(--av-text-secondary);
    font-size: 15px;
    margin-bottom: 18px;
    line-height: 1.6;
}

.av-profile-stats {
    display: flex;
    gap: 28px;
}

.av-profile-stat {
    text-align: left;
    cursor: pointer;
    transition: var(--av-transition);
}

.av-profile-stat:hover { transform: translateY(-2px); }

.av-profile-stat-value {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.av-profile-stat-label {
    font-size: 12px;
    color: var(--av-text-muted);
    margin-top: 2px;
}

.av-profile-actions {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

/* ---------- Profile Tabs ---------- */
.av-tabs {
    display: flex;
    gap: 6px;
    background: var(--av-white);
    padding: 6px;
    border-radius: var(--av-radius-pill);
    box-shadow: var(--av-shadow-sm);
    margin-bottom: 24px;
    overflow-x: auto;
    scrollbar-width: none;
}

.av-tabs::-webkit-scrollbar { display: none; }

.av-tab {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--av-text-light);
    border-radius: var(--av-radius-pill);
    transition: var(--av-transition);
    white-space: nowrap;
    cursor: pointer;
    border: none;
    background: transparent;
}

.av-tab:hover { color: var(--av-text); }

.av-tab.av-active {
    background: var(--av-gradient-primary);
    color: #fff;
    box-shadow: var(--av-shadow-primary);
}

/* ---------- Timeline (News) ---------- */
.av-timeline {
    position: relative;
    padding-left: 32px;
}

.av-timeline::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 20px;
    bottom: 20px;
    width: 2px;
    background: linear-gradient(to bottom, var(--av-primary-light), var(--av-lavender), transparent);
}

.av-timeline-item {
    position: relative;
    margin-bottom: 20px;
}

.av-timeline-dot {
    position: absolute;
    left: -26px;
    top: 24px;
    width: 14px;
    height: 14px;
    background: var(--av-white);
    border: 3px solid var(--av-primary);
    border-radius: 50%;
    box-shadow: 0 0 0 4px var(--av-primary-50);
}

.av-news-item {
    background: var(--av-white);
    border-radius: var(--av-radius-lg);
    padding: 20px;
    box-shadow: var(--av-shadow-sm);
    display: flex;
    gap: 16px;
    transition: var(--av-transition);
    color: inherit;
    border: 1px solid var(--av-border-soft);
}

.av-news-item:hover {
    transform: translateX(6px);
    box-shadow: var(--av-shadow-md);
    border-color: var(--av-primary-light);
}

.av-news-info { flex: 1; min-width: 0; }

.av-news-date {
    font-size: 12px;
    color: var(--av-text-muted);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.av-news-source {
    background: var(--av-primary-50);
    color: var(--av-primary);
    padding: 2px 8px;
    border-radius: var(--av-radius-pill);
    font-weight: 600;
    font-size: 11px;
}

.av-news-title {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.4;
    letter-spacing: -0.01em;
    transition: var(--av-transition);
}

.av-news-item:hover .av-news-title { color: var(--av-primary); }

.av-news-excerpt {
    font-size: 14px;
    color: var(--av-text-light);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.av-news-thumb {
    width: 140px;
    height: 100px;
    border-radius: var(--av-radius);
    object-fit: cover;
    flex-shrink: 0;
}

/* ---------- Resource Card ---------- */
.av-resource-card {
    background: var(--av-white);
    border-radius: var(--av-radius-lg);
    overflow: hidden;
    box-shadow: var(--av-shadow);
    transition: var(--av-transition-slow);
    display: block;
    color: inherit;
    border: 1px solid var(--av-border-soft);
}

.av-resource-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--av-shadow-md);
}

.av-resource-thumb {
    aspect-ratio: 16 / 10;
    background: var(--av-bg-soft);
    position: relative;
    overflow: hidden;
}

.av-resource-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.av-resource-card:hover .av-resource-thumb img { transform: scale(1.06); }

.av-resource-price {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: rgba(255,255,255,0.95);
    color: var(--av-primary);
    font-weight: 800;
    padding: 6px 14px;
    border-radius: var(--av-radius-pill);
    font-size: 14px;
    backdrop-filter: blur(8px);
    box-shadow: var(--av-shadow-sm);
}

.av-resource-tier {
    position: absolute;
    top: 12px;
    left: 12px;
}

.av-resource-body { padding: 18px; }

/* ---------- Categories Grid ---------- */
.av-cat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
}

.av-cat-card {
    background: var(--av-white);
    border-radius: var(--av-radius-lg);
    padding: 24px 16px;
    text-align: center;
    box-shadow: var(--av-shadow-sm);
    border: 1px solid var(--av-border-soft);
    transition: var(--av-transition);
    color: inherit;
    position: relative;
    overflow: hidden;
}

.av-cat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--av-gradient-primary);
    transform: translateY(-4px);
    transition: var(--av-transition);
}

.av-cat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--av-shadow-md);
    border-color: var(--av-primary-light);
}

.av-cat-card:hover::before { transform: translateY(0); }

.av-cat-icon {
    font-size: 36px;
    margin-bottom: 10px;
    display: inline-block;
    transition: transform 0.3s;
}

.av-cat-card:hover .av-cat-icon { transform: scale(1.2) rotate(-8deg); }

.av-cat-name {
    font-weight: 600;
    font-size: 15px;
    margin-bottom: 4px;
}

.av-cat-count {
    font-size: 12px;
    color: var(--av-text-muted);
}

/* ---------- Utility ---------- */
.av-text-muted { color: var(--av-text-muted); }
.av-text-center { text-align: center; }
.av-flex { display: flex; }
.av-flex-center { display: flex; align-items: center; justify-content: center; }
.av-gap-1 { gap: 4px; }
.av-gap-2 { gap: 8px; }
.av-gap-3 { gap: 12px; }
.av-gap-4 { gap: 16px; }
.av-mt-2 { margin-top: 8px; }
.av-mt-4 { margin-top: 16px; }
.av-mt-6 { margin-top: 24px; }
.av-mt-8 { margin-top: 32px; }
.av-mb-4 { margin-bottom: 16px; }

.av-empty {
    text-align: center;
    padding: 80px 20px;
    color: var(--av-text-muted);
}

.av-empty-icon {
    font-size: 72px;
    margin-bottom: 20px;
    opacity: 0.7;
}

.av-empty-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--av-text-light);
    margin-bottom: 8px;
}

.av-loading {
    display: flex;
    justify-content: center;
    padding: 40px 0;
}

.av-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--av-border);
    border-top-color: var(--av-primary);
    border-radius: 50%;
    animation: av-spin 0.8s linear infinite;
}

@keyframes av-spin { to { transform: rotate(360deg); } }
@keyframes av-fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes av-slide-down { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes av-slide-up { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes av-scale-in { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }

.av-fade-in { animation: av-fade-in 0.3s ease-out; }
.av-slide-up { animation: av-slide-up 0.4s ease-out; }
.av-scale-in { animation: av-scale-in 0.3s ease-out; }

/* ---------- Toast ---------- */
.av-toast-container {
    position: fixed;
    bottom: 80px;
    right: 20px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

@media (min-width: 1024px) {
    .av-toast-container { bottom: 20px; }
}

.av-toast {
    padding: 14px 20px;
    background: var(--av-white);
    border-radius: var(--av-radius);
    box-shadow: var(--av-shadow-lg);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 500;
    pointer-events: auto;
    min-width: 220px;
    max-width: 360px;
    animation: av-slide-up 0.3s ease-out;
    border-left: 4px solid var(--av-primary);
}

.av-toast-success { border-left-color: var(--av-mint); }
.av-toast-error { border-left-color: #EF4444; }
.av-toast-warning { border-left-color: var(--av-warm); }

/* ---------- Image Gallery Modal ---------- */
.av-gallery-modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.9);
    z-index: 200;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.av-gallery-modal.av-show {
    display: flex;
    animation: av-fade-in 0.2s ease-out;
}

.av-gallery-modal img {
    max-width: 100%;
    max-height: 90vh;
    border-radius: var(--av-radius);
    animation: av-scale-in 0.3s ease-out;
}

.av-gallery-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    color: #fff;
    font-size: 20px;
    backdrop-filter: blur(8px);
}

.av-gallery-close:hover { background: rgba(255,255,255,0.25); }

/* ---------- Share dropdown ---------- */
.av-share-menu {
    position: relative;
}

.av-share-dropdown {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) scale(0.9);
    background: var(--av-white);
    border-radius: var(--av-radius);
    box-shadow: var(--av-shadow-lg);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transition: var(--av-transition);
    white-space: nowrap;
    display: flex;
    gap: 4px;
}

.av-share-menu.av-open .av-share-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) scale(1);
}

/* ---------- Ratings Stars ---------- */
.av-rating-stars {
    display: inline-flex;
    gap: 6px;
    font-size: 28px;
    cursor: pointer;
    user-select: none;
}

.av-rating-stars span {
    color: #E2E8F0;
    transition: var(--av-transition);
}

.av-rating-stars span.av-filled,
.av-rating-stars:hover span:hover,
.av-rating-stars:hover span:hover ~ span {
    color: var(--av-warm);
}